diff --git a/README.md b/README.md
index 9d6ba02ac..84abef84d 100644
--- a/README.md
+++ b/README.md
@@ -84,3 +84,5 @@ Full list of supporters & quotes: https://inferencex.semianalysis.com/quotes
 
 <img width="1400" height="682" alt="image" src="https://github.com/user-attachments/assets/dcbda40c-4a6e-43a3-aca2-c830d3f2fb8d" />
 
+
+<!-- test: stale-checklist signoff verification (PR will be closed without merging) -->
diff --git a/README_zh.md b/README_zh.md
index caf15559a..14b15e0c8 100644
--- a/README_zh.md
+++ b/README_zh.md
@@ -85,3 +85,5 @@ SGLang、vLLM、TensorRT-LLM、CUDA、ROCm 等 AI 软件通过核函式優化、
 <img width="1400" height="682" alt="image" src="https://github.com/user-attachments/assets/589bfdda-905d-425f-94dc-f2551746dd9d" />
 
 
+
+<!-- test: stale-checklist signoff verification (PR will be closed without merging) -->